FDA to alter rules for cancer drug cocktails
Since: Dec 05
#1 Aug 30, 2010
Cancer Drug Cocktails Are Next?
Cocktails have become standard treatment in many oncological protocols: concoctions of two or more powerful cytotoxic agents which supposedly will attack the tumor in different ways. The ability of various agents to kill tumor and/or microvascular cells (anti-angiogenesis) in the same tumor specimen is highly variable among the different agents. There are so many agents out there now, doctors have a confusing array of choices. They don't know how to mix them together in the right order.
Data show conclusively that patients benefit both in terms of response and survival from drugs and drug combinations found to be 'active' in functional profiling assays even after treatment failure with several other drugs, many of which are in the same class, and even with combinations of drugs found to have low or no activity as single agents, but which are found in the assay to produce a synergistic and not merely an additive anti-tumor effect.
Source: Weisenthal Cancer Group, Huntington Beach, CA and Departments of Clinical Pharmacology and Oncology, Uppsala University, Uppsala, Sweden. Current Status of Cell Culture Drug Resistance Testing May, 2002.
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